Time Zone Converter

Free time zone converter. Convert time between any world time zones instantly — ideal for scheduling meetings, flights, and calls across different countries.

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Your Time hesaplanacak
Target Time hesaplanacak
Time Difference hesaplanacak

Converting Time Zones

Time zones are defined by their offset from Coordinated Universal Time (UTC). The world has 24 standard time zones, but with half-hour and quarter-hour offsets (India, Nepal, etc.), there are over 40 different offsets in practice.

How to Use This Converter

  1. Select the source city or time zone
  2. Enter your time and date
  3. Select the destination city or time zone
  4. Instantly see the converted time

Major Time Zone Offsets (UTC)

CityUTC Offset (Standard)
London (GMT)UTC+0 / UTC+1 (BST)
Paris, BerlinUTC+1 / UTC+2 (CEST)
IstanbulUTC+3
DubaiUTC+4
New York (EST)UTC-5 / UTC-4 (EDT)
Chicago (CST)UTC-6 / UTC-5 (CDT)
Los Angeles (PST)UTC-8 / UTC-7 (PDT)
TokyoUTC+9
SydneyUTC+10 / UTC+11 (AEDT)

Daylight Saving Time (DST)

Over 70 countries observe DST, shifting clocks forward by 1 hour in spring and back in autumn. Not all countries participate (Japan, China, India, and most of Africa do not). DST change dates also differ — the US changes in March/November; Europe in March/October.

How to Use This Calculator

Using our calculator is simple: enter the required values into the input fields and click the calculate button. Results are displayed instantly on screen. You can adjust the values and recalculate to compare different scenarios and find the best option for your situation.

Frequently Asked Questions

QuestionAnswer
How accurate are the results?We use standard formulas and up-to-date 2025 rates. Individual circumstances may vary slightly.
Is this calculator free?Yes, completely free and no registration required.
What should I do for exact figures?For precise information, consult a relevant professional or official authority.
Does it work on mobile devices?Yes, it works seamlessly on all devices and screen sizes.

Important Notes

This calculator is provided for informational purposes only. For legal, financial, or medical decisions, always seek advice from qualified professionals. Calculation results do not constitute official documents. Legislative changes may affect results; please visit the relevant official website for the most up-to-date information. Our calculators are regularly updated to reflect current regulations and rates.

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Frequently Asked Questions

UTC (Coordinated Universal Time) is the global time standard from which all time zones are offset. UTC+0 is Greenwich Mean Time (GMT).
This calculator uses standard UTC offsets and does not automatically adjust for daylight saving time (DST). Check current local offsets when precision matters.
Find a time that falls within business hours (9am-6pm) for all participants. Tools like World Time Buddy or this converter help find overlapping windows.